Below are the main rubriks (i.e strongest indications or symptoms) of Hyoscyamus Niger in traditional homeopathic usage, not approved by the FDA.
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Red skin (after three hours),
Skin of a bright red hue, resembling scarlatina,
The skin of the whole body is as if inflamed and of a reddish cinnabar color (soon after the simple heat),
Skin rattling like parchment,
Brown spots made their appearance alternately over the whole body and then disappeared, (Case 14).
Erysipelatous spots and blisters break out, mostly on the lower limbs (after twenty-four hours),
A few pimples on the elbow, externally, with sore painfulness when touched (after nine hours),
Tetterlike spots on the nape of the neck, (Case 29).
Numerous large boils,
Eruption of large pustules grouped in many places, from the region above the hip to the knee, looking like confluent pocks; they contain no moisture and desquamate after four days (after third day),
Thick pustules full of yellow matter break out on the cheeks and chin, after which the nose becomes ulcerated, (Case 16).
Pocklike pustules on the right side of the chin,
Here and there small furuncles appear on the face (after 4 3/4 to 5 1/4 grains),
A boil on the left thigh, (Case 39).
The ulcer becomes bloody and extremely painful (after twenty-four hours),
General itching here and there (second day),
Itching compels him to scratch the skin until it bleeds,
Tormented by itching, which obliged him to scratch himself until bleeding,
Skin of palms of hands seemed like stiff thick leather, which at last seemed to be quite benumbed (after two hours),
Bruised pain in an ulcer, on moving the part (after twenty-four hours),≡ more ...